/*
silverPDF is sponsored by Aleyant Systems (http://www.aleyant.com)

silverPDF is based on PdfSharp (http://www.pdfsharp.net) and iTextSharp (http://itextsharp.sourceforge.net)

Developers: Ai_boy (aka Oleksii Okhrymenko)

Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following
conditions:

The above information and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR SPONSORS
BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.

*/
#region PDFsharp - A .NET library for processing PDF
//
// Authors:
//   Stefan Lange (mailto:Stefan.Lange@pdfsharp.com)
//
// Copyright (c) 2005-2008 empira Software GmbH, Cologne (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE.
#endregion

using System;

namespace PdfSharp.Pdf.Security
{
  /// <summary>
  /// Specifies which operations are permitted when the document is opened with user access.
  /// </summary>
  [Flags]
  internal enum PdfUserAccessPermission
  {
    /// <summary>
    /// Permits everything. This is the default value.
    /// </summary>
    PermitAll = -3, // = 0xFFFFFFFC,

    // Bit 1�2 Reserved; must be 0.

    // Bit 3 (Revision 2) Print the document.
    // (Revision 3 or greater) Print the document (possibly not at the highest
    // quality level, depending on whether bit 12 is also set).
    PermitPrint = 0x00000004,  //1 << (3 - 1),

    // Bit 4 Modify the contents of the document by operations other than
    // those controlled by bits 6, 9, and 11.
    PermitModifyDocument = 0x00000008,  //1 << (4 - 1),

    // Bit 5 (Revision 2) Copy or otherwise extract text and graphics from the
    // document, including extracting text and graphics (in support of accessibility
    // to users with disabilities or for other purposes).
    // (Revision 3 or greater) Copy or otherwise extract text and graphics
    // from the document by operations other than that controlled by bit 10.
    PermitExtractContent = 0x00000010,  //1 << (5 - 1),

    // Bit 6 Add or modify text annotations, fill in interactive form fields, and,
    // if bit 4 is also set, create or modify interactive form fields (including
    // signature fields).
    PermitAnnotations = 0x00000020,  //1 << (6 - 1),

    // Bit 7�8 Reserved; must be 1.

    // 9 (Revision 3 or greater) Fill in existing interactive form fields (including
    // signature fields), even if bit 6 is clear.
    PermitFormsFill = 0x00000100,  //1 << (9 - 1),

    // Bit 10 (Revision 3 or greater) Extract text and graphics (in support of accessibility
    // to users with disabilities or for other purposes).
    PermitAccessibilityExtractContent = 0x00000200,  //1 << (10 - 1),

    // Bit 11 (Revision 3 or greater) Assemble the document (insert, rotate, or delete
    // pages and create bookmarks or thumbnail images), even if bit 4
    // is clear.
    PermitAssembleDocument = 0x00000400,  //1 << (11 - 1),

    // Bit 12 (Revision 3 or greater) Print the document to a representation from
    // which a faithful digital copy of the PDF content could be generated.
    // When this bit is clear (and bit 3 is set), printing is limited to a lowlevel
    // representation of the appearance, possibly of degraded quality.
    // (See implementation note 24 in Appendix H.)
    PermitFullQualityPrint = 0x00000800,  //1 << (12 - 1),

    //Bit 13�32 (Revision 3 or greater) Reserved; must be 1.
  }
}
